Open-source News

Experimental Linux Address Space Isolation "ASI" v2 Patches: I/O Throughput Lower By 70%

Phoronix - Sat, 01/11/2025 - 03:17
Google engineers and others have been talking about Address Space Isolation "ASI" for the Linux kernel to better deal with speculative execution attacks and other CPU vulnerabilities. Last summer there were some new "request for comments" patches working on Linux Address Space Isolation and today a second iteration of those RFC patches were published. They are now out for review but they are unlikely to see much use: the I/O throughput as measured by FIO takes a 70% hit...

Git 2.48 Released With Initial Support For The Meson Build System

Phoronix - Sat, 01/11/2025 - 02:40
Git 2.48 is out today as the newest feature update to this leading distributed version control system...

More Intel Xeon Clearwater Forest Enablement Merged For Linux 6.13

Phoronix - Sat, 01/11/2025 - 01:02
Squeezing into the mainline Linux 6.13 kernel code today as part of the latest batch of "fixes" are two additional enablement bits for the upcoming high-density Intel Xeon Clearwater Forest server processors...

Lenovo Discovers Situation Of Linux Dropping PCIe Gen 5 NVMe SSDs To Gen 1 Speeds

Phoronix - Fri, 01/10/2025 - 23:33
A change made to the Linux kernel in June 2023 has led to a situation where PCIe Gen5 NVMe solid state drives could potentially drop down to Gen1 speeds... Lenovo engineers spotted this issue and bisected the problem along with coming up with a solution...

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